Home / 78,224,257.32-107,948,662.02-43,417,251.24

Finding the Fourth Proportional to 78,224,257.32, 107,948,662.02 and 43,417,251.24

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Solution

The fourth proportional to 78,224,257.32, 107,948,662.02 and 43,417,251.24 is: 59,915,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,224,257.32 : 107,948,662.02 = 43,417,251.24 : x
  2. Step 2: Convert to fraction form
    78,224,257.32/107,948,662.02 = 43,417,251.24/x
  3. Step 3: Cross multiply
    78,224,257.32x = 107,948,662.02 × 43,417,251.24
  4. Step 4: Simplify right side
    78,224,257.32x = 4,686,834,179,944,186
  5. Step 5: Solve for x
    x = 4,686,834,179,944,186/78,224,257.32
  6. Step 6: Final answer
    x = 59,915,355.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.